Lenovo NetVista A22 Hardware Maintenance Manual (HMM) for NetVista 2254, 2256, - Page 68
Replacing a System Board - Small Desktop Model
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See the following illustration for the location of parts on the system board. 1 Fan connector 2 Microprocessor 3 DIMM 1 4 DIMM 2 5 Power connector 6 Power connector 7 Hard disk LED connector 8 Power LED connector 9 Diskette connector 10 Secondary IDE connector 11 Primary IDE connector 12 Front USB connector 13 Virtual clear CMOS/BIOS recovery jumper 14 Battery 15 PCI slot 16 PCI slot 17 PCI slot 18 CD-ROM audio connector 19 Front panel connector Replacing a System Board - Small Desktop Model Important: Before replacing a system board, back up Asset information by using the "Asset EEPROM backup" on page 16. 60 Hardware Maintenance Manual
See the following illustration for the location of parts on the system board.
±1²
Fan connector
±11²
Primary IDE connector
±2²
Microprocessor
±12²
Front USB connector
±3²
DIMM 1
±13²
Virtual clear CMOS/BIOS recovery jumper
±4²
DIMM 2
±14²
Battery
±5²
Power connector
±15²
PCI slot
±6²
Power connector
±16²
PCI slot
±7²
Hard disk LED connector
±17²
PCI slot
±8²
Power LED connector
±18²
CD-ROM audio connector
±9²
Diskette connector
±19²
Front panel connector
±10²
Secondary IDE connector
Replacing a System Board - Small Desktop Model
Important:
Before replacing a system board, back up Asset information by using the
“
Asset EEPROM
backup
”
on page 16.
60
Hardware Maintenance Manual